Usa River (Komi Republic)

Course of Uzza in the eastern basin of the Pechora

Position of Uzzah ( Уса ) in the catchment area of the Pechora

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The Uzza (Russian Уса ) is a 565 km long right tributary of the Pechora in the northern European part of Russia.

The Uzza created about 30 km east of Vorkuta on the western edge of the Polar Urals, just before the interface to the north adjoining Pai Choi Mountains, from the headwaters of Big Uzza ( Bolschaja Uzza ) from the left and Small Uzza ( Malaya Uzza ) from right. The Uzza predominantly flows southwestward and finally ends at Ust- Uzza in the Pechora. The catchment area comprises 93,600 km ² of Uzza. The Uzza is the largest part of the year provided with a sheet of ice. The most important tributaries are the 334 km long and 546 km long Adswa Kolva from the right.

The Bolschaja Uzza ( Большая Уса, " Large Uzzah " ) is the left southern and larger source river of Uzza. It rises in the Polar Urals south of the source area of Bolshaya Chadyta on the border of the Yamal-Nenets Autonomous District. First, flows for a short distance in the mountains to the south and then turns west. She leaves the Urals and flows to the confluence with the Malaya Uzzah the swampy lowlands around Vorkuta. The Bolschaja Uzzah has a length of 98 km and drains an area of ​​2030 km ².

The Malaya Uzza ( Малая Уса, " Small Uzzah ") is the northern and smaller right- source river of Uzza. It rises in the Polar Urals north of the source area of Bolshaya Chadyta on the watershed to the river system of the Ob. First, flows a short distance to the north and then turns to the west. It flows over a distance of 83 km to the junction with the Bolshaya Uzza. Its catchment area covers 1420 km ².